:root {
  --bg: #07111f;
  --bg-soft: #0d1729;
  --panel: rgba(11, 20, 36, 0.88);
  --panel-strong: rgba(14, 25, 46, 0.95);
  --line: rgba(111, 149, 255, 0.16);
  --line-strong: rgba(118, 250, 225, 0.28);
  --text: #eff5ff;
  --text-soft: #a2b1ca;
  --text-dim: #74839a;
  --cyan: #78fae1;
  --blue: #6f95ff;
  --violet: #8574ff;
  --lime: #dcff7b;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --font-sans: "Sora", "Space Grotesk", "Segoe UI", "PingFang SC", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", "Consolas", monospace;
  --max-width: 1260px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: var(--font-sans);
  background:
    radial-gradient(circle at 18% 14%, rgba(111, 149, 255, 0.22), transparent 22%),
    radial-gradient(circle at 82% 18%, rgba(120, 250, 225, 0.16), transparent 20%),
    radial-gradient(circle at 50% 80%, rgba(133, 116, 255, 0.14), transparent 28%),
    linear-gradient(180deg, #07111f 0%, #050c16 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(111, 149, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(111, 149, 255, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, black 36%, transparent 84%);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(var(--max-width), calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0 70px;
}

.site-header,
.hero,
.section,
.site-footer {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(11, 20, 36, 0.88), rgba(7, 14, 27, 0.96));
  box-shadow: var(--shadow);
}

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  border-radius: 20px;
  backdrop-filter: blur(18px);
}

.site-header {
  position: sticky;
  top: 16px;
  z-index: 20;
  margin-bottom: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand img {
  width: 50px;
  height: 50px;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid rgba(120, 250, 225, 0.18);
  box-shadow: 0 0 28px rgba(111, 149, 255, 0.18);
}

.brand strong {
  display: block;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 1.05rem;
}

.brand span {
  color: var(--text-soft);
  font-size: 0.82rem;
}

.site-nav,
.site-footer nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.site-nav a,
.site-footer a {
  color: var(--text-soft);
}

.site-nav a.active {
  color: var(--text);
}

.site-nav a.active::after {
  content: "";
  display: block;
  width: 100%;
  height: 1px;
  margin-top: 6px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-toggle,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 14px;
  border: 1px solid rgba(120, 250, 225, 0.16);
  cursor: pointer;
}

.lang-toggle {
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.button-primary {
  color: #05111f;
  background: linear-gradient(135deg, var(--cyan), var(--lime));
  border-color: transparent;
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.hero,
.section {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
}

.hero::before,
.section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(140deg, rgba(120, 250, 225, 0.05), transparent 26%),
    linear-gradient(315deg, rgba(111, 149, 255, 0.08), transparent 30%);
}

.hero {
  display: grid;
  gap: 34px;
  padding: 58px;
}

.hero-home {
  grid-template-columns: minmax(0, 1fr) minmax(430px, 0.9fr);
  min-height: 74vh;
}

.hero-page,
.hero-product {
  grid-template-columns: 1fr;
}

.hero-product {
  grid-template-columns: minmax(0, 1fr) 360px;
  align-items: center;
}

.hero-copy,
.hero-visual,
.product-panel,
.section-heading,
.product-grid,
.focus-strip,
.detail-grid,
.contact-layout {
  position: relative;
  z-index: 1;
}

.hero-copy.narrow {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

h1,
h2,
h3,
strong,
b {
  letter-spacing: -0.04em;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 7vw, 6.2rem);
  line-height: 0.98;
  max-width: 9ch;
}

.hero-page h1,
.hero-product h1 {
  max-width: 11ch;
  font-size: clamp(2.8rem, 5vw, 4.6rem);
}

.hero-lead,
.product-card p,
.focus-strip p,
.detail-card span,
.contact-block p,
.contact-form span,
.section-heading.compact p:not(.eyebrow),
.panel-screen em,
.visual-card p {
  color: var(--text-soft);
  line-height: 1.7;
}

.hero-lead {
  max-width: 56ch;
  margin-top: 22px;
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-visual {
  position: relative;
  min-height: 580px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background:
    linear-gradient(180deg, rgba(12, 21, 39, 0.96), rgba(7, 13, 25, 0.98)),
    radial-gradient(circle at center, rgba(111, 149, 255, 0.14), transparent 44%);
}

.visual-core {
  position: absolute;
  left: 50%;
  top: 50%;
  display: grid;
  gap: 10px;
  width: 240px;
  padding: 28px 22px;
  transform: translate(-50%, -50%);
  border: 1px solid var(--line-strong);
  border-radius: 28px;
  text-align: center;
  background: linear-gradient(180deg, rgba(14, 25, 46, 0.96), rgba(8, 15, 28, 0.96));
  box-shadow: 0 0 28px rgba(120, 250, 225, 0.08);
}

.visual-core span,
.visual-card span,
.product-card span,
.detail-card span,
.contact-block span,
.mini-list li::before {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.visual-core strong,
.panel-screen strong {
  font-size: 1.9rem;
}

.visual-core em,
.panel-screen em {
  color: var(--cyan);
  font-style: normal;
  font-size: 0.88rem;
}

.visual-card,
.product-card,
.detail-card,
.contact-block,
.contact-form,
.panel-screen,
.focus-strip article {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(15, 26, 48, 0.9), rgba(8, 15, 28, 0.94));
}

.visual-card {
  position: absolute;
  width: 260px;
  padding: 22px;
}

.card-a {
  top: 28px;
  left: 28px;
}

.card-b {
  right: 28px;
  top: 160px;
}

.visual-grid {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 28px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.visual-grid article {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
}

.visual-grid span {
  display: block;
  margin-bottom: 10px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.74rem;
}

.section {
  margin-top: 26px;
  padding: 50px;
}

.section-heading.compact h2 {
  margin: 0;
  max-width: 12ch;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.04;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product-grid-page {
  align-items: stretch;
}

.product-card,
.detail-card,
.contact-block,
.contact-form {
  padding: 26px;
}

.product-card h3 {
  margin: 12px 0 12px;
  font-size: 1.7rem;
}

.product-card b {
  display: inline-block;
  margin-top: 18px;
  color: var(--cyan);
}

.product-card.featured {
  background:
    linear-gradient(180deg, rgba(16, 30, 54, 0.96), rgba(8, 15, 28, 0.98)),
    radial-gradient(circle at top right, rgba(120, 250, 225, 0.1), transparent 38%);
}

.product-card.large {
  grid-column: span 2;
}

.mini-list {
  padding: 0;
  margin: 16px 0 0;
  list-style: none;
}

.mini-list li {
  position: relative;
  padding-left: 18px;
  margin-top: 10px;
  color: var(--text-soft);
}

.mini-list li::before {
  content: "+";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--cyan);
}

.focus-strip,
.detail-grid {
  display: grid;
  gap: 18px;
}

.focus-strip {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.detail-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.focus-strip article strong,
.detail-card strong {
  display: block;
  margin: 12px 0 10px;
  font-size: 1.3rem;
}

.focus-strip article span {
  color: var(--cyan);
  font-family: var(--font-mono);
}

.product-panel {
  display: flex;
  justify-content: center;
}

.panel-screen {
  display: grid;
  gap: 12px;
  width: 100%;
  min-height: 360px;
  padding: 28px;
  align-content: end;
  background:
    linear-gradient(180deg, rgba(16, 29, 53, 0.92), rgba(7, 14, 28, 0.96)),
    radial-gradient(circle at top center, rgba(120, 250, 225, 0.12), transparent 40%);
}

.panel-screen span {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 18px;
}

.contact-mail {
  display: inline-block;
  margin: 12px 0 12px;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--cyan);
}

.contact-form {
  display: grid;
  gap: 16px;
}

.contact-form label {
  display: grid;
  gap: 10px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 15px 16px;
  color: var(--text);
  border: 1px solid rgba(120, 250, 225, 0.14);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  resize: vertical;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(162, 177, 202, 0.62);
}

.site-footer {
  margin-top: 26px;
}

.site-footer span {
  color: var(--text-soft);
}

body.js-enabled .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}

body.js-enabled .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .hero-home,
  .hero-product,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  h1,
  .hero-page h1,
  .hero-product h1 {
    max-width: none;
  }
}

@media (max-width: 860px) {
  .page-shell {
    width: min(var(--max-width), calc(100% - 20px));
  }

  .site-header,
  .site-footer {
    flex-wrap: wrap;
    justify-content: center;
  }

  .site-nav,
  .site-footer nav {
    width: 100%;
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero,
  .section {
    padding: 28px 22px;
  }

  .product-grid,
  .focus-strip,
  .detail-grid,
  .visual-grid {
    grid-template-columns: 1fr;
  }

  .product-card.large {
    grid-column: auto;
  }

  .hero-visual {
    min-height: 720px;
  }

  .visual-card {
    width: auto;
    left: 20px;
    right: 20px;
  }

  .card-a {
    top: 20px;
  }

  .card-b {
    top: 192px;
  }

  .visual-grid {
    left: 20px;
    right: 20px;
    bottom: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  body.js-enabled .reveal,
  body.js-enabled .reveal.is-visible {
    opacity: 1;
    transform: none;
    transition: none;
  }
}